The Hama WP-310 Di Ca Pac uses a watertight fastening, hook & loop closure to secure the opening to keep your camera safe & protected from the elements. Water, s&, snow & dust are unable to do any damage. Made from soft silicone & PVC it´s easy to operate your camera & the integrated lens attachment lets you zoom in & out freely. The attachment can be unscrewed to clean the lens & the integrated UV filter produces natural, contrasting colours.